Device for needling a prebonded web

Details Device for needling a prebonded web Device for needling a prebonded web

1997-09-05

1999-04-13

Chapman, Jeanette

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

28107, D04H 1800

Patent

active

058932003

ABSTRACT:
A device for needling a prebonded web (1), comprises at least one needle board (3) reciprocatingly movable in a stitching direction, a stitch base (2) between a feed roller (6) and a discharge roller (7), which stitch base is located directly opposite the needle board (3) and forms a web guide that is convex in a direction of web movement. The stitch base (2) consists of blades (9) extending transversely to the direction of web movement and having end faces (10) defining a continuously curved enveloping surface. The end faces (10) constituting a web support, and between which blades there engage at least two needle rows extending tranversely to the direction of web movement engage between adjacent blades during their reciprocation.

REFERENCES:
patent: 2896303 (1959-07-01), Morrill
patent: 4977653 (1990-12-01), Pum
patent: 5117541 (1992-06-01), Leuchtenmuller
patent: 5148584 (1992-09-01), Fehrer
patent: 5384944 (1995-01-01), Minichshofer
patent: 5699596 (1997-12-01), Fehrer

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